Revolver.



No. 859,990. PATENTED JULY 16, 1907. M. STERN.

REVOLVER.

APPLICATION rum 233,14. 1907.

INVE '10:? ,5; BY

ATTORNEY WITNESSES: I

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TED STATES PATENT OFFICE.

MAURICE STERN, OF PHILADELPHIA, PENNSYLVANIA. I

REVOLVER.

Specification of Letters Patent.

Patented July 16, 1907.

Application filed February 14, 1907. Serial No. 357,346.

' in Revolvers, of which the following is a specification.

My invention has relation to revolvers; and in such connection itrelates more particularly to the construc tion and arrangement ofsprings for the same.

The principal objects of my invention are, first, to

provide a revolverwith a trigger-spring which is supported by the frameand trigger so as to relieve all pressure from the guard heretoforeserving as a support for the same, and thus preventing inaction of thetriggerspring whenever the guard becomes displaced; second, to provide atrigger-spring, which through wear, or due to improper length, does notbind or become disconnect ed from the trigger, as is the case in theleaf springs heretofore used, thus preventing the trigger-spring frombecoming inoperative, after a limited use; third, to provide for suchpurpose, the revolver with a coiled spring which offers an evenresistance to the movement of the trigger, and to so connect the springwith the trigger as to prevent side friction or jamming between thetrigger and the bolt serving as' a fulcral point, for the same,

fourth, to provide the revolver with a guard, which merely serves ascover for the trigger and which, when removed, permits of free access tothe trigger-spring,-

and a trial of the operation of the spring prior to the placing of theguard in position; fifth, to provide the revolver with a wire spring forreturning the ejectorcam to its proper position, which, consistingwholly of tempered wire, is more uniform in its action, and will notreadily break; and sixth, to provide the revolver with a groovedejector-cam which maintains the free end of the ejector-spring in itsproper position thereon.

'lhenature and scope of my invention will be more fully understood fromthe following description, taken in connection with the accompanyingdrawings forming part hereof, in which Figure l. is a view, illustratingpartly in side elevation and partly in section, a revolver, showing thearrangement and connection of a wire spring with the frame and trigger,a wire spring with the grooved ejector-cam and a main spring with thehandle and hammer, as well as a slot arranged in the trigger and hammerfor receiving and guiding the ends of the respective springs to permitof free movement of the hammer and trigger by engaging the same at apoint below their fulcral points and centrally thereto, all embodyingmain fea tures of my said invention; and Figs. 2, 3 and 4 are de tailview, illustrating perspectively, the trigger, ejectorcam and hammer.

Referring to the drawings 5, represents the frame of the revolver whichsupports the barrel 6, cylinder 7, guard 8, and ejector-cam 9. To theframe 5, by means of a bolt 11, is pivotally secured the trigger 10,which is provided with a slot 12, a rranged centrally in the trigger 10,and at a rightangle to the bolt 11, thereof.

ondbolt 13, extendingthrough the slot 12, thereof, and serving tosupport the hooked arm 15, of a coiledtriggerspring 14, the other bentend forming an eye 16, engaging a post 17, secured to the frame 5.

tic, and thus more durable, as the pressure exerted on the spring isevenly distributed over the coiled portion of the same. i

By supporting the spring by the frame 5, and trigger, 10, the spring isvisible, thus permitting a trial of the operation of the spring 10,before placing. the guard8, in position. Moreover, the guard 8, serving,merely as a cover for the spring-14, does in no way interfere with theproper operation of the spring, when becoming displaced, By permittingthe arm 15, of Ethe spring 14, to engage the trigger 10, at a pointlocated directly in a central vertical plane thereof, a binding ofthetrigger on its supporting bolt 11, is overcome, which bindingproduces rapid wear be- ,tween the trigger and bolt; and moreover,produces a; sudden increase infriction, when the trigger is manuallyoperated. Such increase in friction effectually interferes with takingand maintaining a steadyaim. By the connection of the spring 14, with jthe trigger l0, and by its outline, the resistance offered to themovement of the trigger 10, by the spring 14, is an even one, whichin noway interferes with the maintenance of a steady aim. Furthermore, bydisengaging the eye ]6, of the spring 14, the hooked arm 15, thereof,can readily be brought out of engagement with the trigger bolt 13, andjust as quickly brought into re-engagement therewith, and with the post17.

,The eye 16, of the spring 14, by being held under tension in engagementwith the post 17, also serves to support and to hold the eye portion 19,of the ejectorcam spring 18, in position on the post 17. The cam spring18, consists likewise of tempered steel wire of uniform thickness. whichinsures uniformity in the resistance offered, and will thus not readilybreak. In order to hold the free upper end of the cam spring 18, inproper or operative position on the cam 9, the same is provided with agroove or depression 20, as shown in Figs. 1 and 3. The spring 18, beingthusheld in position at its upper and lower ends, will effect at alltimes, the return of the ejector-cam 9, to its proper operativeposition. The arrangement and connection of the cam spring 18, with thepost 17, also permits of a ready insertion and removal of the same afterthe guard 8, is disengaged from the frame 5, and the eye 16, of thetrigger-spring 14, removed from the post 17.

Be low the bolt, 11, the trigger 10, is provided with a sec- Thetriggerspring 10, is made of aneven tempered steel wire of uni formthickness, which wire renders the same more clas The hammer spring 21,used to actuate the hammer 22, in its construction and outline, does notdiffer materially from the spring shown and described in an applicationfor a patent granted to me, under date of February 26th, 1907, Ser. No.327,995. However, its connection with the hammer 22, as will behereinafter described, eliminates any possible binding, and thus rapidwear between the hammer and its supporting bolt 23, or of increasedresistance to movement due to such binding, Such increase and uneve nresistance on the part of the hammer 22, will naturally prevent the evenaction of the trigger 10, due to the spring 14, since the hammer, bymeans of the lifter 26, is connected with the trigger 10. To guardagainst any possibility of uneven action on the part of the hammer 22,the same at its lower end is provided with a slot 24, arranged in acentral vertical plane of the same. Through the hammer 22, and the slot24, thereof, is passed below the bolt 23, a second bolt 25, which isarranged in advance of the bolt 23 and serves as a fulcral point for thehook-shaped end 29, of the arm 28, of the hammer spring 21. By engagingthe hammer 22, directly in a vertical central plane and below and inadvance of its iulcral point 23, the spring 21, will outside ofdecreasing the pressure of the spring when the hammer is raised bymoving the arm 28 thereof, towards the bolt 23, and increasing thispressure when the hammer descends by moving the arm away from the bolt23, prevent any undue friction between the hammer and bolt, When thehammer is lifted against the tension of the spring 21, by the lifter 26,actuated by the trigger 10. The spring 21, at the end opposite the arm28, terminates in a bent or eye portion 30, engaging a post 31, which issecured to the frame 5, and forming a portion of the handle 32, of thesame.

Having thus described the nature and objects of my invention, what Iclaim as new and desire to'secure by Letters Patent is:

1. In a revolver, a frame, a hammer, a trigger, a lifter connecting thetrigger with said hammer, said trigger having a slot arranged in avertical central plane thereof, a bolt connecting the trigger with saidframe, a second bolt arranged below said connecting bolt and passingthrough the slot of said trigger, a spring having a coiled portionconnected with said frame, and an arm extending into the slot of saidtrigger and engaging the second bolt of the same, said spring adapted byengaging the second bolt of said trigger, and extending into the slot ofthe same to insure an even movement of said trigger on said supportingbolt.

2. In a revolver, a frame, having a post, an ejectorcam and a triggercarried by said frame, a spring engaging the post of said frame andtrigger, a second spring engaging said cam and having an eye engagingsaid post intermediate of said first spring and frame, and said firstspring arranged to hold said second spring in position on said post.

3. In a revolver, a frame, a hammer having a slot arranged in a centralvertical plane thereof, a bolt connecting the hammer with said frame, asecond bolt passing through the slot of said hammer and arranged belowand in advance of said connecting bolt, :1 spring, consisting of a wirebent to form a coiled or resilient portion engaging said frame and anarm or connecting portion for engaging said hammer by extending into theslot and engaging the second bolt thereof.

4. In a revolver, a frame, a post carried by said frame, a trigger, ahammer, the trigger and the hammer each having a slot arranged in acentral vertical plane thereof, and bolts pivotally connecting the samewith said frame, a bolt passing through the slot of said hammer andarranged below and in advance of the connecting bolt thereof, a boltpassing through the slot of said trigger and arranged below theconnecting bolt thereof, a lifter carried by said trigger and connectingthe same with said hammer, a spring supported by said post and trigger,said spring, consisting of a wire bent to form a coiled portionterminating in a hook and an eye, the hook engaging the bolt carried bythe trigger and the eye engaging the post. a second spring forautomatically actuating the hammer, said spring. consisting of a wirebent to form an arm for en gaging the bolt carried by said hammer, andan eye for en gaging the frame and a coil for connecting the arm withsaid eye, the bolt carried by said hammer arranged when the same israised by the trigger and lifter to swing the arm of the second springtowards said connecting bolt.

5. In a revolver, a frame, a post carried by said frame. an ejector cam,a trigger having a slot, a bolt connecting said trigger with said frame,a bolt carried by said trigger and passing through said slot, a spring,consisting of a wire bent to form a coiled portion having a hook and aneye, the hook engaging the bolt carried by said trigger and the eyeengaging said post, a second spring, consisting of a wire bent to form acurved portion and an eye, the curved portion engaging said cam and theeye engaging said post intermediate of said first spring and frame so asto be held in position on the post by said first spring, a halnlnerhaving a slot, a bolt pivotally connecting said hammer with said frame,a bolt carried by said hammer and passing through the slot thereof andarranged below and in advance of said connecting bolt, a third springfor automatically actuating said hammer, said spring, con sisting of awire bent to form an arm for engaging the bolt carried by said hammer,and an eye for engaging the frame and a coil for connecting the arm withsaid eye, the bolt carried by said hammer arranged when the same israised by the trigger and lifter to Swing the arm of the second springtowards the connecting bolt.

In witness whereof, I have hereunto set my signature in the presence oftwo subscribing witnesses.

MAURICE STERN.

Witnesses Gno. W. REED, -THOMAS M. SMITH.

